GeographyAccording to the Philippine Statistics Authority, the has a land area of constituting of the total area of Aklan. Madalag is situated in the south-central section of the province, bounded on the east by Balete, Aklan, Balete, west by the Antique (province), Province of Antique, north by Malinao, Aklan, Malinao and Banga, Aklan, Banga, and south by Libacao. It is away from regional capital, Iloilo City, and south from the provincial capital Kalibo.
ClimateMadalag has a Type III climate which is relatively dry from March to May and wet for the rest of the year.
SoilThere are four (4) varied soil types found in the municipality. They are the San Miguel Clay Loam, Alimodian clay loam, Sapcan clay and Sigcay clay. San Miguel clay is found in barangay Panipiason and Medina. Alimodian clay is found in barangay San Jose, Ma. Cristina and Galicia. Sapian clay is found in the barangay of Mercedes, Bacyang and Alaminos. Sigcay clay is found in the Poblacion, Logohon and Cabilawan.
Land UseSome or 28.80% of Madalag land area is planted with high value crops leaving only about (66.35) as timber land and or .09% are utilized as dwelling areas majority of which are in the Poblacion.
BarangaysMadalag is politically subdivided into 25 barangays.
DemographicsIn the , had a population of . The population density was . Madalag being predominantly a rural community has a slow growing population. It had a total population of 17,889 persons in 2007, a reduction of .05 percent or 897 persons from the 1995 population, basically due to migration towards industrial and trade centers of the country such as Manila, Cebu, Iloilo and other highly urbanized provinces and municipalities. The municipality has twenty-five (25) component barangays with two (2) barangays, Poblacion and Alaminos as urban area and the twenty three (23) remaining barangays as rural areas. Barangay Poblacion is the most populous with 1,775 residents, followed by Panipiason (1,484 residents) and Alaminos (1,257).
AgricultureMadalag basically has an agricultural economy. Some of the municipality land is devoted to agriculture. Farming and home industries are the main source of livelihood among the people. Rice is grown in almost all the twenty five (25) barangays. Corn is also planted in some upland areas. Other crops are in pineapple, camote and ube. The municipality also produces fruit trees, like Lansium parasiticum, lanzones, rambutan, Artocarpus odoratissimus, marang and commercial crops such as coconut and abaca. The hilly and mountainous areas produce high valued forest products such as narra, acacia, and mahogany and minor product like buri, rattan, bamboo, nipa sap and firewood.
IndustryThe center of commercial activities in Madalag is situated along the stretch of Navarette Street and at the Madalag Public Market located in the Poblacion. The municipality has 93 commercials establishment dominated by the sari-sari stores (37 or 39%). The others establishment (26 or 28.60%) serve as outlet for bakery, ''carinderia''s and other recreational services.
TransportationThe total length of all roads types within the geographical boundaries of the municipality is in 2011. Of these lengths, ten (10) percent are paved. A total of fifty (50) percent of the road surface is earth fill while thirty (30) percent is gravel surface. All barangays are accessible by roads except, Medina and Panipiason, that cannot be reach by four (4) wheel vehicle. Generally, the barangays connected to the national road have better road condition compared to the interior barangays.
Water supply systemWater is supplied by the Poblacion Water District and Poblacion Spring Development. The other barangays are dependent from their Spring Development and artesian and shallow wells.
CommunicationThe communication system are operated by a wireless handset (cellPhone) distributed by SMART, GLOBE and SUN while the postal system is managed by the Philippines Postal Corporation. The post office is managed by a postal master, and a mail sorter/carrier. There are no mail distribution and collection centers in the barangays, hence the residents go to the Poblacion to post or get their mails.
Power facilitiesThere are 100 household in the barangay Poblacion of Madalag served by electricity with only (5) percent of households not served by power.The remaining twenty four (24) have electrical power.
HealthMadalag has one rural health unit (RHU) and one municipal hospital. The RHU is manned by one physician, two nurses, seven midwives, one sanitary inspector, ten trained ''hilot''s and 143 barangay health workers. The Madalag Municipal Hospital (Don Leovigildo N. Diapo Sr Memorial Hospital) is staffed by four (4) doctors, five (5) medical technologist, eleven (11) nurses, one dentist, three midwives, one administrative officer, two (2) pharmacist, one ambulance driver, three (3) permanent and one (1) casual nursing attendants, three utility workers, four (4) admin casual employees.
EducationMadalag has 21 primary and 8 elementary schools with a total enrollment of 2,927 pupils and 108 teachers. It has three secondary public schools with a total enrollment of 1,368 students and 43 teachers.